Showing 17–31 of 31 results
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Sale!
$3,460.95 Original price was: $3,460.95.$199.76Current price is: $199.76.
Product Description Turn your stock 114″ into a monster of a 128″. For Water Cooled Milwaukee Eight models Only. Highlighted fins with chrome pushrod tubes. Gear Drive. Fits: Harley M8 Models (Water Cooled) Big Bore Kit: 114″ to 128″ Big Bore Kit Wrinkle Black Finish Highlighted Fins No case machining required 4.250″ bore Forged Pistons…
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Sale!
$3,265.95 Original price was: $3,265.95.$199.27Current price is: $199.27.
Product Description S&S 128″ Power Package Big Bore Kit Oil-Cooled for 114″/117″ Harley M8 S&S 128″ Power Package Kit for Harley models. – Oil cooled Fits: 2017-2026 Harley M8 Models with Oil-Cooled Engines (Except CVO 121″) 114″ to 128″ big bore kit; 114″ and 117″ CVO to 128″ big bore kit Bolt-in kit, case maching…
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Sale!
$3,294.95 Original price was: $3,294.95.$199.06Current price is: $199.06.
Product Description S&S 128″ Power Package Big Bore Kit Water-Cooled for 114″/117″ Harley M8 128″ Power Package Kit. Water cooled. Fits: 2017-2026 Harley M8 Models with Water-Cooled Engines (Except CVO 121″) 114″ to 128″ big bore kit; 114″ and 117″ CVO to 128″ big bore kit Bolt-in kit, case maching not required Forged pistons Includes…
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Sale!
$3,359.95 Original price was: $3,359.95.$199.81Current price is: $199.81.
Product Description Turn your stock 107″ into a monster of a 129″ with S&S Power Package for Harley M8 motors. Kit is designed to fit Chain Drive / Oil Cooled Milwaukee Eight models Only. Choose Cylinder finish and pushrod tubes. Requires S&S Cycle Head Bolts for M8, part number Fits: Harley M8 Models (Oil Cooled)…
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Sale!
$3,559.95 Original price was: $3,559.95.$199.87Current price is: $199.87.
Product Description Turn your stock 107″ into a monster of a 129″ with S&S Power Package for Harley M8 motors. Kit is designed to fit Gear Drive / Oil Cooled Milwaukee Eight models Only. Choose Cylinder finish and pushrod tubes. Requires S&S Cycle Head Bolts for M8, part number Fits: Harley M8 Models (Oil Cooled)…
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Sale!
$1,559.95 Original price was: $1,559.95.$199.10Current price is: $199.10.
Product Description S&S has been building big bore kits since the 60s and has it down to an absolute science. Their latest efforts are aimed at the Milwaukee Eight® platform (2017 and newer big twins) and open up a whole new level of performance for these engines. Combining a new design forged piston with their…
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Sale!
$1,559.95 Original price was: $1,559.95.$199.64Current price is: $199.64.
Product Description S&S has been building big bore kits since the 60s and has it down to an absolute science. Their latest efforts are aimed at the Milwaukee Eight® platform (2017 and newer big twins) and open up a whole new level of performance for these engines. Combining a new design forged piston with their…
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Sale!
$3,559.95 Original price was: $3,559.95.$199.19Current price is: $199.19.
Product Description Turn your stock 114/117″ into a monster with S&S 132″ Big Bore Power Package for Harley M8 motors. Kit is designed to fit Gear Drive / Oil Cooled Milwaukee Eight models Only. This is S&S’s largest big bore cylinders (4.32″) with matched cam/cam plate/ oil pump and everything else a high performance cam…
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Sale!
$3,559.95 Original price was: $3,559.95.$199.86Current price is: $199.86.
Product Description Turn your stock 114/117″ into a monster with S&S 132″ Big Bore Power Package for Harley M8 motors. Kit is designed to fit Gear Drive / Water Cooled Milwaukee Eight models Only. This is S&S’s largest big bore cylinders (4.32″) with matched cam/cam plate/ oil pump and everything else a high performance cam…
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Sale!
$3,795.95 Original price was: $3,795.95.$199.54Current price is: $199.54.
Product Description 93″ High Compression Sidewinder Big Bore Stroker Kit for the Shovelhead. Take it up a notch with S&S cycle. 9.1:1 Fits: 1970-1984 Harley Shovelhead Contains nearly everything needed to take a stock 74″ or 80″ H-D® Shovelhead engine up to 93″ displacement Includes 3.625″ bore high tensile, cast iron Sidewinder® cylinders and forged…
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Sale!
$2,795.95 Original price was: $2,795.95.$199.86Current price is: $199.86.
Product Description Instead of upgrading to a Larger displacement engine, consider this Big Bore Stroker Kit from S&S. Wrinkle Black finish. Fits: 1984-’99 Harley-Davidson® Evolution® big twin engines. Kits include standard flywheel assembly, 3 5/8″ bore cylinders, 9.75:1 pistons,rings and gaskets NOTE: Cases must be bored to accept 3 5/8″ bore cylinders, and a minor…
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Sale!
$4,499.95 Original price was: $4,499.95.$199.17Current price is: $199.17.
Product Description 96″ Sidewinder Big Bore Stroker Kit for the Shovelhead. Droolworthy. Fits: 1970-1984 Harley Shovelhead (Approximate compression ratio of 9.1:1) Contains nearly everything needed to take a stock 74″ or 80″ H-D® Shovelhead engine up to 96″ displacement Includes 3.625″ bore high tensile, cast iron Sidewinder® cylinders and forged pistons with wristpin and rings,…
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Sale!
$1,595.95 Original price was: $1,595.95.$199.51Current price is: $199.51.
Product Description The biggest Big Bore slip on kit available, S&S 129″ Big Bore Kit for the 107″ M8 Harley models. Choose between Highlighted and Non-Highlighted cylinders. Fits: 2017-2022 M-Eight 107″ Harley Models Bolt-on kit, the largest cylinder bore possible without required machining of the crankcases Huge bore increase means huge power increase Works with…
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Sale!
$1,540.95 Original price was: $1,540.95.$199.25Current price is: $199.25.
Product Description Inspired by Pro Stock Drag Race engines, these 4″ Big Bore kits from S&S Cycle delivery a serious punch of power in a bolt-on application. Black finish. Fits: 2007-2017 Harley Twin Cam Models (Except 2017 Touring) Bolt in – no machining, balancing, or splitting the crankcases; install can be performed with engine still…
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Sale!
$1,540.95 Original price was: $1,540.95.$199.30Current price is: $199.30.
Product Description Inspired by Pro Stock Drag Race engines, these 4″ Big Bore kits from S&S Cycle delivery a serious punch of power in a bolt-on application. Silver finish,. Fits: 2007-2017 Harley Twin Cam Models (Except 2017 Touring) Bolt in – no machining, balancing, or splitting the crankcases; install can be performed with engine still…
